## Uses of Interface
org.apache.sysds.runtime.controlprogram.caching.CacheBlock

- Packages that use CacheBlock
  Package | Description
  --- | ---
  org.apache.sysds.runtime.compress |
  org.apache.sysds.runtime.controlprogram.caching |
  org.apache.sysds.runtime.controlprogram.context |
  org.apache.sysds.runtime.controlprogram.parfor |
  org.apache.sysds.runtime.data |
  org.apache.sysds.runtime.instructions.spark.data |
  org.apache.sysds.runtime.matrix.data |
  org.apache.sysds.runtime.util |

- - ### Uses of CacheBlock in org.apache.sysds.runtime.compress

    Classes in org.apache.sysds.runtime.compress that implement CacheBlock
    Modifier and Type | Class and Description
    --- | ---
    `class` | `CompressedMatrixBlock`

    Methods in org.apache.sysds.runtime.compress with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `MatrixBlock` | CompressedMatrixBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock ret)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.controlprogram.caching

    Classes in org.apache.sysds.runtime.controlprogram.caching with type parameters of type CacheBlock
    Modifier and Type | Class and Description
    --- | ---
    `class` | `CacheableData<T extends CacheBlock>` Each object of this class is a cache envelope for some large piece of data called "cache block".

    Methods in org.apache.sysds.runtime.controlprogram.caching that return CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `CacheBlock` | ByteBuffer.`deserializeBlock()`
    `static CacheBlock` | CacheBlockFactory.`newInstance(int code)`
    `CacheBlock` | UnifiedMemoryManager.`pin(String key, CacheBlock block, boolean dirty)` Pins a cache block into operation memory.
    `static CacheBlock` | LazyWriteBuffer.`readBlock(String fname, boolean matrix)`
    `CacheBlock` | CacheBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock block)` Slice a sub block out of the current block and write into the given output block.
    `CacheBlock` | CacheBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock block)` Slice a sub block out of the current block and write into the given output block.

    Methods in org.apache.sysds.runtime.controlprogram.caching with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `static long` | LazyWriteBuffer.`getCacheBlockSize(CacheBlock cb)`
    `static int` | CacheBlockFactory.`getCode(CacheBlock block)`
    `static ArrayList<?>` | CacheBlockFactory.`getPairList(CacheBlock block)`
    `static boolean` | CacheableData.`isBelowCachingThreshold(CacheBlock data)`
    `static boolean` | ByteBuffer.`isValidCapacity(long size, CacheBlock cb)` Determines if byte buffer can hold the given size given this specific cache block.
    `void` | CacheBlock.`merge(CacheBlock that, boolean appendOnly)` Merge the given block into the current block.
    `CacheBlock` | UnifiedMemoryManager.`pin(String key, CacheBlock block, boolean dirty)` Pins a cache block into operation memory.
    `void` | ByteBuffer.`serializeBlock(CacheBlock cb)`
    `CacheBlock` | CacheBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock block)` Slice a sub block out of the current block and write into the given output block.
    `CacheBlock` | CacheBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock block)` Slice a sub block out of the current block and write into the given output block.
    `void` | UnifiedMemoryManager.`unpin(String key, CacheBlock block)` Unpins (releases) a cache block from operation memory.
    `static int` | LazyWriteBuffer.`writeBlock(String fname, CacheBlock cb)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.controlprogram.context

    Methods in org.apache.sysds.runtime.controlprogram.context that return types with arguments of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `org.apache.spark.broadcast.Broadcast<CacheBlock>` | SparkExecutionContext.`broadcastVariable(CacheableData<CacheBlock> cd)`

    Methods in org.apache.sysds.runtime.controlprogram.context with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `static CacheableData<?>` | ExecutionContext.`createCacheableData(CacheBlock cb)`

    Method parameters in org.apache.sysds.runtime.controlprogram.context with type arguments of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `org.apache.spark.broadcast.Broadcast<CacheBlock>` | SparkExecutionContext.`broadcastVariable(CacheableData<CacheBlock> cd)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.controlprogram.parfor

    Method parameters in org.apache.sysds.runtime.controlprogram.parfor with type arguments of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `void` | CachedReuseVariables.`reuseVariables(long pfid, LocalVariableMap vars, Collection<String> excludeList, Map<String,org.apache.spark.broadcast.Broadcast<CacheBlock>> _brInputs, boolean cleanCache)`

    Constructor parameters in org.apache.sysds.runtime.controlprogram.parfor with type arguments of type CacheBlock
    Constructor and Description
    `RemoteParForSparkWorker(long jobid, String program, HashMap<String,byte[]> clsMap, boolean cpCaching, org.apache.spark.util.LongAccumulator atasks, org.apache.spark.util.LongAccumulator aiters, Map<String,org.apache.spark.broadcast.Broadcast<CacheBlock>> brInputs, boolean cleanCache, Map<String,String> lineage)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.data

    Classes in org.apache.sysds.runtime.data that implement CacheBlock
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TensorBlock` A `TensorBlock` is the most top level representation of a tensor.

    Methods in org.apache.sysds.runtime.data that return CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `CacheBlock` | TensorBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock block)`
    `CacheBlock` | TensorBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock block)`

    Methods in org.apache.sysds.runtime.data with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `void` | TensorBlock.`merge(CacheBlock that, boolean appendOnly)`
    `CacheBlock` | TensorBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock block)`
    `CacheBlock` | TensorBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock block)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.instructions.spark.data

    Classes in org.apache.sysds.runtime.instructions.spark.data with type parameters of type CacheBlock
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BroadcastObject<T extends CacheBlock>`
    `class` | `PartitionedBlock<T extends CacheBlock>` This class is for partitioned matrix/frame blocks, to be used as broadcasts.
    `class` | `PartitionedBroadcast<T extends CacheBlock>` This class is a wrapper around an array of broadcasts of partitioned matrix/frame blocks, which is required due to 2GB limitations of Spark's broadcast handling.

  - ### Uses of CacheBlock in org.apache.sysds.runtime.matrix.data

    Classes in org.apache.sysds.runtime.matrix.data that implement CacheBlock
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FrameBlock`
    `class` | `MatrixBlock`

    Methods in org.apache.sysds.runtime.matrix.data with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `void` | FrameBlock.`merge(CacheBlock that, boolean bDummy)`
    `void` | MatrixBlock.`merge(CacheBlock that, boolean appendOnly)`
    `static List` | OperationsOnMatrixValues.`performSlice(IndexRange ixrange, int blen, int iix, int jix, CacheBlock in)` Slice used in broadcasting matrix blocks for spark, since this slice up a given matrix into blocks.
    `FrameBlock` | FrameBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock retCache)` Right indexing operations to slice a subframe out of this frame block.
    `MatrixBlock` | MatrixBlock.`slice(int rl, int ru, int cl, int cu, boolean deep, CacheBlock ret)` Method to perform rightIndex operation for a given lower and upper bounds in row and column dimensions.
    `FrameBlock` | FrameBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock retCache)`
    `MatrixBlock` | MatrixBlock.`slice(int rl, int ru, int cl, int cu, CacheBlock ret)`

  - ### Uses of CacheBlock in org.apache.sysds.runtime.util

    Methods in org.apache.sysds.runtime.util that return CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `static CacheBlock` | LocalFileUtils.`readCacheBlockFromLocal(String fname, boolean matrix)` Reads a matrix/frame block from local file system.

    Methods in org.apache.sysds.runtime.util with parameters of type CacheBlock
    Modifier and Type | Method and Description
    --- | ---
    `static void` | LocalFileUtils.`writeCacheBlockToLocal(String fname, CacheBlock cb)` Writes a matrix/frame block to local file system.

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